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REVIEW Characteristics of Living Things Cell Structure

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REVIEW Characteristics of Living Things Cell Structure & Function Transfer of Energy The Seven Characteristics of Living Things: All Living things are made of cells ... – PowerPoint PPT presentation

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Title: REVIEW Characteristics of Living Things Cell Structure


1
REVIEW Characteristics of Living Things Cell
Structure Function Transfer of Energy
2
The Seven Characteristics of Living Things
  1. All Living things are made of cells with DNA.

3
The Seven Characteristics of Living Things
  • 2. All Living things reproduce.

4
The Seven Characteristics of Living Things
  • 3. All Living things grow and develop.

5
The Seven Characteristics of Living Things
  • 4. All Living things obtain and use
  • energy materials which is termed
  • metabolism.

6
The Seven Characteristics of Living Things
  • 5. All Living things respond to stimuli.

7
The Seven Characteristics of Living Things
  • 6. All Living things maintain an internal balance
  • called homeostasis.

8
The Seven Characteristics of Living Things
  • 7. All Living things adapt change over time.

9
Cell Structure Function Cell Membrane
  • All cells have a cell membrane.
  • The Cell Membrane is the lipid bi-layer
    surrounding the cell. This barrier allows only
    certain substances into the cell and out of the
    cell which means it is selectively permeable.

10
Cell Structure Function Cell Membrane
  • Processes by which materials enter exit the
    cell
  • Diffusion Movement of molecules from areas of
    high concentration to areas of low concentration.
  • Osmosis Diffusion of water through a selectively
    permeable membrane.
  • Endocytosis Material enters the cell by being
    surrounded by the cell membrane. (Requires
    energy.)
  • Exocytosis Material leaves the cell in a vesicle
    that is released through the cell membrane.
    (Requires energy.)

11
Cell Structure Function Chloroplast
  • Found only in plant cells.
  • Contain the green pigment chlorophyll which
    captures energy from sunlight.
  • Site of photosynthesis.
  • PHOTOSYNTHESIS

Sunlight CO2 H2O -gt C6H12O6
O2 carbon dioxide
water sugar oxygen
12
Cell Structure Function Cytoplasm
  • Everything inside the cell membrane, but outside
    the nucleus.
  • The site of Glycolysis Fermentation.

C6H12O6 -gt Energy (2ATP) 2 Pyruvate
molecules
Sugar
FERMENTATION in the cytoplasm
2 Pyruvate molecules
OR
CELLULAR RESPIRATION In the mitochondria
13
Cell Structure Function Cytoplasm
  • Fermentation is the process by which energy is
    released from food without the use of oxygen.
  • In fermentation, the pyruvate molecules from
    gylcolysis are turned into some waste products
    (such as alcohol lactic acid) and 2 ATP
    molecules are produced in the process.
  • The two most common types of fermentation are
    lactic acid fermentation and alcohol
    fermentation.
  •  

14
Cell Structure Function Mitochondria
  • The powerhouse of the cell.
  • Site of Cellular respiration.
  • Provides energy for the cell by producing 38 ATP.
  • CELLULAR RESPIRATON

C6H12O6 O2 -gt Energy (36 ATP) CO2
H2O
Sugar Oxygen
Carbon Dioxide Water
15
Transfer of Energy
16
Cell Diagram
Cell
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